<%= fields_for "challenge_assignments[]", assignment do |assignment_form| %>
  <tr>
    <th scope="row">
      <%= mailto_link assignment.offer_signup.pseud.user,  :subject => "[#{h(@collection.title)}] Message from Collection Maintainer" %>
      <%= link_to assignment.offer_byline, collection_signup_path(@collection, assignment.offer_signup) %>
    </th>
    <td>
      <%= assignment_form.hidden_field :collection_id, :value => @collection.id %>
      <%= assignment_form.hidden_field :offer_signup_id, :value => assignment.offer_signup.id %>
      <%= assignment_form.collection_select :pinch_request_signup_id, assignment.offer_signup.offer_potential_matches.sort.reverse.collect(&:request_signup), :id, :byline, :include_blank => "Please select a potential match as pinch recipient" %>
    </td>
  </tr>
<% end %>
